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WY5600109 · Wyoming

LANCE CREEK WATER DISTRICT

Federal fiscal 2026Q3 · EPA violation and follow-up records

Violation records shown
62
EPA health-based flag
15
Health-based records unresolved in this snapshot
2
Monitoring and reporting records
46

Counties listed by EPA · Niobrara County, Wyoming

Open the EPA system record

Find the utility’s annual water quality report. For current advisories, check the utility or local drinking-water authority.

Violations and what followed

Among 58 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 91 days. The interval uses the reporting periods and dates on file.

  1. EPA health-based flag · Unaddressed by formal action

    Treatment Technique, Corrective/Expedited Actions (RTCR)Violation 4003816 · Revised Total Coliform Rule · Revised Total Coliform Rule

    Noncompliance period start March 28, 2026 · first reported June 29, 2026

    No linked action row appears in the records shown.

  2. EPA health-based flag · Unaddressed by formal action

    Failure To Address DeficiencyViolation 4003728 · Groundwater Rule · Ground Water Rule

    Noncompliance period start August 16, 2023 · first reported November 15, 2023

    No linked action row appears in the records shown.

  3. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003814 · Radium-228 · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2025 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73785May 15, 2026ResolvingState Compliance achieved

  4. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003813 · Radium-226 · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2025 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73785May 15, 2026ResolvingState Compliance achieved

  5. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003812 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2025 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73785May 15, 2026ResolvingState Compliance achieved

  6. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003811 · Combined Uranium · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2025 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73785May 15, 2026ResolvingState Compliance achieved

  7. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003810 · Gross Alpha, Excl. Radon and U · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2025 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73785May 15, 2026ResolvingState Compliance achieved

  8. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003737 · Radium-228 · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2023 · period end December 31, 2023 · first reported February 22, 2024 · EPA return-to-compliance field December 31, 2023

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73756April 15, 2024ResolvingState Compliance achieved

  9. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003736 · Radium-226 · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2023 · period end December 31, 2023 · first reported February 22, 2024 · EPA return-to-compliance field December 31, 2023

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73756April 15, 2024ResolvingState Compliance achieved

  10. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003735 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2023 · period end December 31, 2023 · first reported February 22, 2024 · EPA return-to-compliance field December 31, 2023

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73756April 15, 2024ResolvingState Compliance achieved

  11. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003734 · Combined Uranium · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2023 · period end December 31, 2023 · first reported February 22, 2024 · EPA return-to-compliance field December 31, 2023

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73756April 15, 2024ResolvingState Compliance achieved

  12. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003733 · Gross Alpha, Excl. Radon and U · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2023 · period end December 31, 2023 · first reported February 22, 2024 · EPA return-to-compliance field December 31, 2023

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73756April 15, 2024ResolvingState Compliance achieved

  13. EPA health-based flag · Resolved

    Maximum Contaminant Level Violation, AverageViolation 4003731 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad Rule

    Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73652April 4, 2018FormalFederal Final Administrative Order issued
    73761August 2, 2024ResolvingState Compliance achieved

  14. EPA health-based flag · Resolved

    Maximum Contaminant Level Violation, AverageViolation 4003730 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad Rule

    Noncompliance period start April 1, 2023 · period end June 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field June 30, 2023

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73652April 4, 2018FormalFederal Final Administrative Order issued
    73761August 2, 2024ResolvingState Compliance achieved

  15. Monitoring or reporting · Archived

    Monitoring and Reporting (DBP)Violation 4003746 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported August 20, 2025 · EPA return-to-compliance field December 31, 2025

    No linked action row appears in the records shown.

  16. Monitoring or reporting · Archived

    Monitoring and Reporting (DBP)Violation 4003745 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported August 20, 2025 · EPA return-to-compliance field December 31, 2025

    No linked action row appears in the records shown.

  17. EPA health-based flag · Resolved

    Maximum Contaminant Level Violation, AverageViolation 4003725 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2023 · period end March 31, 2023 · first reported May 16, 2023 · EPA return-to-compliance field March 31, 2023

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73652April 4, 2018FormalFederal Final Administrative Order issued
    73747August 15, 2023ResolvingState Compliance achieved

  18. EPA health-based flag · Resolved

    Maximum Contaminant Level Violation, AverageViolation 4003726 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2022 · period end December 31, 2022 · first reported May 16, 2023 · EPA return-to-compliance field December 31, 2022

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73652April 4, 2018FormalFederal Final Administrative Order issued
    73747August 15, 2023ResolvingState Compliance achieved

  19. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003723 · Radium-228 · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2022 · period end December 31, 2022 · first reported February 16, 2023 · EPA return-to-compliance field December 31, 2022

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73652April 4, 2018FormalFederal Final Administrative Order issued
    73744June 13, 2023ResolvingState Compliance achieved

  20. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003722 · Radium-226 · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2022 · period end December 31, 2022 · first reported February 16, 2023 · EPA return-to-compliance field December 31, 2022

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73652April 4, 2018FormalFederal Final Administrative Order issued
    73744June 13, 2023ResolvingState Compliance achieved

  21. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003721 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2022 · period end December 31, 2022 · first reported February 16, 2023 · EPA return-to-compliance field December 31, 2022

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73652April 4, 2018FormalFederal Final Administrative Order issued
    73744June 13, 2023ResolvingState Compliance achieved

  22. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003720 · Combined Uranium · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2022 · period end December 31, 2022 · first reported February 16, 2023 · EPA return-to-compliance field December 31, 2022

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73652April 4, 2018FormalFederal Final Administrative Order issued
    73744June 13, 2023ResolvingState Compliance achieved

  23. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003719 · Gross Alpha, Excl. Radon and U · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2022 · period end December 31, 2022 · first reported February 16, 2023 · EPA return-to-compliance field December 31, 2022

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73652April 4, 2018FormalFederal Final Administrative Order issued
    73744June 13, 2023ResolvingState Compliance achieved

  24. EPA health-based flag · Resolved

    Maximum Contaminant Level Violation, AverageViolation 4003716 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad Rule

    Noncompliance period start July 1, 2022 · period end September 30, 2022 · first reported February 16, 2023 · EPA return-to-compliance field September 30, 2022

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73652April 4, 2018FormalFederal Final Administrative Order issued
    73747August 15, 2023ResolvingState Compliance achieved

  25. EPA health-based flag · Resolved

    Maximum Contaminant Level Violation, AverageViolation 4003714 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad Rule

    Noncompliance period start April 1, 2022 · period end June 30, 2022 · first reported September 26, 2022 · EPA return-to-compliance field June 30, 2022

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73652April 4, 2018FormalFederal Final Administrative Order issued
    73747August 15, 2023ResolvingState Compliance achieved

  26. EPA health-based flag · Resolved

    Maximum Contaminant Level Violation, AverageViolation 4003713 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2022 · period end March 31, 2022 · first reported June 28, 2022 · EPA return-to-compliance field March 31, 2022

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73652April 4, 2018FormalFederal Final Administrative Order issued
    73747August 15, 2023ResolvingState Compliance achieved

  27. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003712 · Radium-228 · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2022 · period end March 31, 2022 · first reported June 28, 2022 · EPA return-to-compliance field March 31, 2022

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73652April 4, 2018FormalFederal Final Administrative Order issued
    73725April 26, 2022ResolvingState Compliance achieved

  28. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003711 · Radium-226 · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2022 · period end March 31, 2022 · first reported June 28, 2022 · EPA return-to-compliance field March 31, 2022

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73652April 4, 2018FormalFederal Final Administrative Order issued
    73725April 26, 2022ResolvingState Compliance achieved

  29. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003710 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2022 · period end March 31, 2022 · first reported June 28, 2022 · EPA return-to-compliance field March 31, 2022

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73652April 4, 2018FormalFederal Final Administrative Order issued
    73725April 26, 2022ResolvingState Compliance achieved

  30. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003709 · Combined Uranium · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2022 · period end March 31, 2022 · first reported June 28, 2022 · EPA return-to-compliance field March 31, 2022

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73652April 4, 2018FormalFederal Final Administrative Order issued
    73725April 26, 2022ResolvingState Compliance achieved

  31. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003708 · Gross Alpha, Excl. Radon and U · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2022 · period end March 31, 2022 · first reported June 28, 2022 · EPA return-to-compliance field March 31, 2022

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73652April 4, 2018FormalFederal Final Administrative Order issued
    73725April 26, 2022ResolvingState Compliance achieved

  32. EPA health-based flag · Resolved

    Maximum Contaminant Level Violation, AverageViolation 4003706 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2021 · period end December 31, 2021 · first reported March 15, 2022 · EPA return-to-compliance field December 31, 2021

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73652April 4, 2018FormalFederal Final Administrative Order issued
    73746August 15, 2023ResolvingState Compliance achieved

  33. EPA health-based flag · Resolved

    Maximum Contaminant Level Violation, AverageViolation 4003705 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad Rule

    Noncompliance period start July 1, 2021 · period end September 30, 2021 · first reported March 15, 2022 · EPA return-to-compliance field September 30, 2021

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73652April 4, 2018FormalFederal Final Administrative Order issued
    73746August 15, 2023ResolvingState Compliance achieved

  34. EPA health-based flag · Resolved

    Maximum Contaminant Level Violation, AverageViolation 4003703 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad Rule

    Noncompliance period start April 1, 2021 · period end June 30, 2021 · first reported March 15, 2022 · EPA return-to-compliance field June 30, 2021

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73652April 4, 2018FormalFederal Final Administrative Order issued
    73746August 15, 2023ResolvingState Compliance achieved

  35. EPA health-based flag · Resolved

    Maximum Contaminant Level Violation, AverageViolation 4003704 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2021 · period end March 31, 2021 · first reported March 15, 2022 · EPA return-to-compliance field March 31, 2021

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73652April 4, 2018FormalFederal Final Administrative Order issued
    73746August 15, 2023ResolvingState Compliance achieved

  36. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003699 · Radium-228 · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2021 · period end March 31, 2021 · first reported June 17, 2021 · EPA return-to-compliance field March 31, 2021

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73719January 21, 2022ResolvingState Compliance achieved
    73746August 15, 2023ResolvingState Compliance achieved

  37. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003698 · Radium-226 · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2021 · period end March 31, 2021 · first reported June 17, 2021 · EPA return-to-compliance field March 31, 2021

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73719January 21, 2022ResolvingState Compliance achieved
    73746August 15, 2023ResolvingState Compliance achieved

  38. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003697 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2021 · period end March 31, 2021 · first reported June 17, 2021 · EPA return-to-compliance field March 31, 2021

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73719January 21, 2022ResolvingState Compliance achieved
    73746August 15, 2023ResolvingState Compliance achieved

  39. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003696 · Combined Uranium · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2021 · period end March 31, 2021 · first reported June 17, 2021 · EPA return-to-compliance field March 31, 2021

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73719January 21, 2022ResolvingState Compliance achieved
    73746August 15, 2023ResolvingState Compliance achieved

  40. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003695 · Gross Alpha, Excl. Radon and U · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2021 · period end March 31, 2021 · first reported June 17, 2021 · EPA return-to-compliance field March 31, 2021

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73719January 21, 2022ResolvingState Compliance achieved
    73746August 15, 2023ResolvingState Compliance achieved

  41. Monitoring or reporting · Resolved

    Lead Consumer NoticeViolation 4003693 · Lead and Copper Rule · Lead and Copper Rule

    Noncompliance period start December 30, 2020 · period end March 12, 2021 · first reported March 31, 2021 · EPA return-to-compliance field March 12, 2021

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73702March 12, 2021ResolvingState Compliance achieved

  42. Other or unclassified · Resolved

    Consumer Confidence Report Inadequate ReportingViolation 4003694 · Consumer Confidence Rule · Consumer Confidence Rule

    Noncompliance period start October 1, 2020 · period end October 9, 2024 · first reported April 29, 2021 · EPA return-to-compliance field October 9, 2024

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73703April 1, 2021InformalState Violation/Reminder Notice
    73763October 9, 2024ResolvingState Compliance achieved

  43. EPA health-based flag · Resolved

    Maximum Contaminant Level Violation, AverageViolation 4003692 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2020 · period end December 31, 2020 · first reported March 31, 2021 · EPA return-to-compliance field December 31, 2020

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73652April 4, 2018FormalFederal Final Administrative Order issued
    73746August 15, 2023ResolvingState Compliance achieved

  44. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003691 · Radium-228 · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2020 · period end December 31, 2020 · first reported March 31, 2021 · EPA return-to-compliance field December 31, 2020

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73719January 21, 2022ResolvingState Compliance achieved
    73746August 15, 2023ResolvingState Compliance achieved

  45. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003690 · Radium-226 · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2020 · period end December 31, 2020 · first reported March 31, 2021 · EPA return-to-compliance field December 31, 2020

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73719January 21, 2022ResolvingState Compliance achieved
    73746August 15, 2023ResolvingState Compliance achieved

  46. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003689 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2020 · period end December 31, 2020 · first reported March 31, 2021 · EPA return-to-compliance field December 31, 2020

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73719January 21, 2022ResolvingState Compliance achieved
    73746August 15, 2023ResolvingState Compliance achieved

  47. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003688 · Combined Uranium · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2020 · period end December 31, 2020 · first reported March 31, 2021 · EPA return-to-compliance field December 31, 2020

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73719January 21, 2022ResolvingState Compliance achieved
    73746August 15, 2023ResolvingState Compliance achieved

  48. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003687 · Gross Alpha, Excl. Radon and U · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2020 · period end December 31, 2020 · first reported March 31, 2021 · EPA return-to-compliance field December 31, 2020

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73719January 21, 2022ResolvingState Compliance achieved
    73746August 15, 2023ResolvingState Compliance achieved

  49. EPA health-based flag · Resolved

    Maximum Contaminant Level Violation, AverageViolation 4003707 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad Rule

    Noncompliance period start July 1, 2020 · period end September 30, 2020 · first reported March 15, 2022 · EPA return-to-compliance field September 30, 2020

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73652April 4, 2018FormalFederal Final Administrative Order issued
    73746August 15, 2023ResolvingState Compliance achieved

  50. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003724 · Asbestos · Inorganic Chemicals

    Noncompliance period start January 1, 2020 · period end December 31, 2022 · first reported September 24, 2024 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73786September 12, 2024ResolvingState Compliance achieved

  51. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003677 · Radium-228 · Radionuclides and Revised Rad Rule

    Noncompliance period start July 1, 2019 · period end September 30, 2019 · first reported March 31, 2021 · EPA return-to-compliance field September 30, 2019

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73690February 27, 2020ResolvingState Compliance achieved
    73746August 15, 2023ResolvingState Compliance achieved

  52. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003676 · Radium-226 · Radionuclides and Revised Rad Rule

    Noncompliance period start July 1, 2019 · period end September 30, 2019 · first reported March 31, 2021 · EPA return-to-compliance field September 30, 2019

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73690February 27, 2020ResolvingState Compliance achieved
    73746August 15, 2023ResolvingState Compliance achieved

  53. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003675 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad Rule

    Noncompliance period start July 1, 2019 · period end September 30, 2019 · first reported March 31, 2021 · EPA return-to-compliance field September 30, 2019

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73690February 27, 2020ResolvingState Compliance achieved
    73746August 15, 2023ResolvingState Compliance achieved

  54. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003674 · Combined Uranium · Radionuclides and Revised Rad Rule

    Noncompliance period start July 1, 2019 · period end September 30, 2019 · first reported March 31, 2021 · EPA return-to-compliance field September 30, 2019

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73690February 27, 2020ResolvingState Compliance achieved
    73746August 15, 2023ResolvingState Compliance achieved

  55. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003673 · Gross Alpha, Excl. Radon and U · Radionuclides and Revised Rad Rule

    Noncompliance period start July 1, 2019 · period end September 30, 2019 · first reported March 31, 2021 · EPA return-to-compliance field September 30, 2019

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73690February 27, 2020ResolvingState Compliance achieved
    73746August 15, 2023ResolvingState Compliance achieved

  56. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 4003701 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start January 1, 2019 · period end December 31, 2021 · first reported March 15, 2022 · EPA return-to-compliance field December 31, 2021

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73733December 5, 2022ResolvingState Compliance achieved

  57. Monitoring or reporting · Resolved

    Monitoring and Reporting (DBP)Violation 4003700 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

    Noncompliance period start January 1, 2019 · period end December 31, 2021 · first reported March 15, 2022 · EPA return-to-compliance field December 31, 2021

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73733December 5, 2022ResolvingState Compliance achieved

  58. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003664 · Radium-228 · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2019 · period end March 31, 2019 · first reported March 31, 2021 · EPA return-to-compliance field March 31, 2019

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73691February 27, 2020ResolvingState Compliance achieved
    73746August 15, 2023ResolvingState Compliance achieved

  59. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003663 · Radium-226 · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2019 · period end March 31, 2019 · first reported March 31, 2021 · EPA return-to-compliance field March 31, 2019

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73691February 27, 2020ResolvingState Compliance achieved
    73746August 15, 2023ResolvingState Compliance achieved

  60. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003662 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2019 · period end March 31, 2019 · first reported March 31, 2021 · EPA return-to-compliance field March 31, 2019

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73691February 27, 2020ResolvingState Compliance achieved
    73746August 15, 2023ResolvingState Compliance achieved

  61. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003661 · Combined Uranium · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2019 · period end March 31, 2019 · first reported March 31, 2021 · EPA return-to-compliance field March 31, 2019

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73691February 27, 2020ResolvingState Compliance achieved
    73746August 15, 2023ResolvingState Compliance achieved

  62. Monitoring or reporting · Resolved

    Monitoring, RegularViolation 4003660 · Gross Alpha, Excl. Radon and U · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2019 · period end March 31, 2019 · first reported March 31, 2021 · EPA return-to-compliance field March 31, 2019

    2 linked actions
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    73691February 27, 2020ResolvingState Compliance achieved
    73746August 15, 2023ResolvingState Compliance achieved

EPA data and scope

How to read the records

The enforcement snapshot is federal fiscal 2026Q3. The EPA archive labels its violation file October 13, 2026. EPA says federal reporting can lag by several months. For current advisories, check your utility or local drinking-water authority.

EPA data dictionary and files · EPA reporting and enforcement FAQ · Find an annual water quality report · How to get the report from your utility